Value | Category | Cases | |
---|---|---|---|
1 | NO DIFFICULTY | 989 |
94.4%
|
2 | SOME DIFFICULTY | 49 |
4.7%
|
3 | A LOT OF DIFFICULTY | 9 |
0.9%
|
4 | CANNOT SEE AT ALL | 1 |
0.1%
|
9 | NO RESPONSE | 0 |
0%
|
Sysmiss | 405 |